O-Ring Assortment KitProduct Details1.[Hardness] - 50 Durometer (Shore Hardness) for resistance to penetration2.[Multiple Size] - 15 different metric sizes from 6mm O.D. to 20mm O.D.3.[225in1 Set] - 225 pieces o-rings with separated clear plastic storage case4.[VMQ] - Standard silicone with a wide temperature range from -22℉ (-30℃) to 392℉ (200℃)5.[Application] - Widely used for Hydraulics and Pneumatics sealing, pressure valve, gas compressor, reaction valve, heat exchanger, boiler, filter, mechanical sealing.
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